Security key
03589W102
- Security type / class
- Equity / COMMON STOCK
- Total 13F shares
- 80,514,496
- Total 13F value
- $365,538,892
- Share change
- +26,436,657
- Put/Call ratio
- 112%
- SEC-reported price per share
- $4.54
- Number of holders
- 98
- Value change
- +$125,501,716
- Number of buys
- 53
- Number of sells
- 39
- Shares outstanding
- 163,738,683
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q4 2023
Institutions
98
Top holders
10
ANNX full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q3 2026
Annexon, Inc. SEC filings
Annexon, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 03589W102
Recent filing periods:
Ownership snapshot
Top reported holders of ANNX - Annexon, Inc. - COMMON STOCK (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Bain Capital Life Science...
Disclosed value leader
Bain Capital Life Science...
Comparable rows
0/15
Latest evidence
30 Sep 2023
3/4/5
13F
Highest disclosed value: $24,428,590
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
Bain Capital Life Sciences Investors, LLC has the largest disclosed position value at $24.43M.
0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Bain Capital Life Sciences Investors, LLC's linked filing trail.
Disclosed position value
Top 5
Bain Capital Life Sciences Invest...
$24.43M
Alerce Investment Management, L.P.
$16.65M
Logos Global Management LP
$12.51M
Redmile Group, LLC
$8.27M
BlackRock Finance, Inc.
$8.04M
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Bain Capital Life Sciences Investors, LLC |
3/4/5
13F
10%+ Owner · Company
|
—
denominator unverified
|
$24,428,590
5,401,926 shares
|
— | 25 May 2023 |
| Alerce Investment Management, L.P. |
13F
Company
|
—
denominator unverified
|
$16,652,217
7,056,024 shares
|
— | 30 Sep 2023 |
| Logos Global Management LP |
13F
Company
|
—
denominator unverified
|
$12,508,000
5,300,000 shares
|
— | 30 Sep 2023 |
| Redmile Group, LLC |
13F
Company
|
—
denominator unverified
|
$8,267,528
3,503,190 shares
|
— | 30 Sep 2023 |
| BlackRock Finance, Inc. |
13F
Company
|
—
denominator unverified
|
$8,042,854
3,407,989 shares
|
— | 30 Sep 2023 |
| GMT CAPITAL CORP |
13F
Company
|
—
denominator unverified
|
$6,632,712
2,810,471 shares
|
— | 30 Sep 2023 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q4 2023
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
98
Shares
80,514,496
Rows available
98
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q4 2023 vs Q3 2023 Across Filers
Q3 2023 holders
91
Q4 2023 holders
98
Holder diff
7
| Investor | Q3 2023 Shares | Q4 2023 Shares | Share Diff | Share Chg % | Q3 2023 value | Q4 2023 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend